if i'm on fire, you'll be made of ashes too (фемслэш)

"You're either a part of the family or you're not."
Kal and Alex may not need her anymore, but Earth does. And Kara will do whatever needs to be done, become whatever she needs to be to protect this world that had taken her in. Even if Alex hates her for it.
or
Kara makes her choice and loses herself in the process.